Plot the function y$=8$x$3-2$x$2+5$x $3$ for $-1<=$x $<=1$ with a tick spacing of $0\mathrm{.}25$ on the x axis and $2$ on the y axis

a$.$ You need to create an independent variable

b$,$ Define a cubic function from its coefficients

c$.$ Plot the cubic function

d$.$ Use publish and open functions to create a report in the desired format. You can obtain a report in HTML format by typing

$>>$publish $(\text{'}$polyplot$\text{'},\text{'}$html$\text{'})$

$>>$ open html$/$polyplot$.$html